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平均电
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  average current
     Analysis of the average current model PFC and electric circuits realizes
     平均电流型PFC分析及电路实现
短句来源
     Average current mode control and its application in APFC
     APFC技术中的平均电流型控制及其应用研究
短句来源
     The control principle and properties of average current mode control in power factor correction (APFC)techniques are analyzed .
     分析了有源功率因数校正 (APFC)技术中的平均电流型控制原理及其特点。
短句来源
     The thesis also analyzes the average current type of PFC.
     论文还研究了平均电流型PFC电路。
短句来源
     Utilizing dynamic model of sepic chopper, which established by PWM switch model, the average current controller is designed using integrated control circuit UC3854. By inversion device's dynamic model, a current-voltage double closed-loop control system is designed through PI control and deadbeat theory.
     在利用PWM开关模型建立的SEPIC电路动态模型基础上,采用集成控制芯片UC3854为之设计了平均电流型控制器; 还根据逆变电路的动态模型,为之设计了基于PI控制和无差拍控制的电压电流双闭环控制系统。
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  “平均电”译为未确定词的双语例句
     The duration of AF prolonged to(596.7±281.0) s(P<0.01) and the mean f-f period became(76.0±32.0) ms(P<0.05) after the injection of acylcholine.
     注入乙酰胆碱后持续时间延长为(596.7±281.0)s(P<0.01),心房平均电活动周期缩短为(76.0±32.0)ms(P<0.05);
短句来源
     On the other hand,the duration of AF was(2?364.0±1?169.0) s(P<0.01) and the mean f-f period was(39.0±12.0) ms(P<0.01) after the injection of Carbachol.
     注入卡巴胆碱后则诱发出频率极快、持续时间更长的房颤,持续时间延长为(2 364.0±1169.0)s(P<0.01),心房平均电活动周期缩短为(39.0±12.0)ms(P<0.01)。
短句来源
     Before the application of acylcholine or Carbachol,the duration of AF was(9.7±6.0) s in Ach group and(10.4±8.0) s in Carbachol group. The mean f-f period was(122.0±9.0) ms in Ach group and(120.0±8.0) ms in Carbachol group.
     未注射乙酰胆碱或卡巴胆碱时,所诱发房颤均为短阵性房颤,持续时间为(9.7±6.0)s(乙酰胆碱组)和(10.4±8.0)s(卡巴胆碱组),心房平均电活动周期为(122.0±9.0)ms(乙酰胆碱组)和(120.0±8.0)ms(卡巴胆碱组);
短句来源
     Average electrical and thermal coefficient of performance (COP) of the air processor are 9.4 and 3.0 in summer with an average thermal COP of 2.2 in winter.
     热回收型新风机在夏季的平均电性能因数和热性能因数分别为9.4和3.0,冬季的平均热性能因数为2.2。
短句来源
     Silvery white appearance of silver coated aluminum is gained. The apparent density is 0.56 g/mL and average electric resistance value is 10 mΩ.
     获得了银白色的银包铝粉,其松装密度为0.56g/mL,平均电阻值为10mΩ。
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  相似匹配句对
     Analysis of the average current model PFC and electric circuits realizes
     平均流型PFC分析及路实现
短句来源
     High Average Power Electro-optical Switches with Thermal Compensation
     高平均功率热补偿光开关
短句来源
     For a sample of 38 sources we derive an average value of
     平均结果为
短句来源
     Mean Entropy
     平均
短句来源
     there are race C1, C4, C9, C13 & C14 in Liaoning province;
     屯C,C:、C; 、C;
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  average current
The possibility is demonstrated of non-contracted flow of current to the surface of "cold" (800 K) electrode at average current densities up to 3×104 A/m2 and α ≈ 0.9.
      
It is demonstrated that the spectra of the average current in the systems of different size exhibit a broad region of 1/f noise limited only by the system size.
      
A phase diagram of the film is constructed in terms of the coefficient of thermal balance and the average current density.
      
The pressure and composition of the working mixture, as well as the average current of the volume discharge are optimized to attain the maximum emission intensity of the XeCl(D,B-X) bands.
      
The time behavior of the load inductance, the average current radius, and the start time of the liner compression are determined.
      
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By generalizing the method adopted by the authors (Sun and Ho[10]), a general equation for calculating the mean square electric dipole moments and the mean square lengths of polymeric chains has been derived on the basis of restricted, but independent internal rotations. This equation is as follows:where Bi,m = , Ti is the axis transformation matrix relating coordinate systems of consecutive skeletal bonds, [x/y] represents the integral part of x/y, m is the period of transformation.The general...

By generalizing the method adopted by the authors (Sun and Ho[10]), a general equation for calculating the mean square electric dipole moments and the mean square lengths of polymeric chains has been derived on the basis of restricted, but independent internal rotations. This equation is as follows:where Bi,m = , Ti is the axis transformation matrix relating coordinate systems of consecutive skeletal bonds, [x/y] represents the integral part of x/y, m is the period of transformation.The general equation holds for n≥m as n is sufficiently large it may be transformed into the following form:where |E - Bi,m| and adj (E - Bi,m) are the determinant and the adjoint matrix of E - Bi,m respectively.It is interesting to note that the results of some previous investigators are the special cases of this generalized one.

本文在独立内旋转条件下,对聚合物链的平均电偶矩问题,作了比较彻底的处理。所得到的一般公式既可用来计算聚合物链的平均电偶矩,也可用来计算其平均长度。 应用文中的一般公式,对于(—CR_2—CR_2—)_(n/2),(-CH_2—CR_2—)_(n/2)和(—CH_2—CHR—)_(n/2)等链型分别作了具体计算,得到了一组有意义的结果。

An analysis of the experimental data of Lanthanum has been made and it shows that the electron-phonon mechanism of superconductivity is still valid for Lanthanum. The main problem about high Tc of Lanthanum is due to the large value of electron-phonon matrix The d and f hybridization effect in energy band structure of Lanthanum causes the large value of It is important to take advantage of these in searching for making alloys and compounds containing Lanthanum.

对La的超导实验数据分析表明,La的超导机制仍是BCS电声作用机制.La的T_c较高的决定性因素是平均电声矩阵元〈I~2〉高,而能带结构中的d,f杂化效应是导致La的〈I~2〉高的关键.利用这些有利因素探索制备La的超导合金或化合物是值得重视的途径.

This paper describes the construction and the feature of the calculable cross capa-citor established at the National Institute of Metrology. Some formulae for calculating average capacitance error due to the departure of geometric dimesion of the eletrode system from the ideal conditions have been presented and the total uncertainty of the capacitor are also given. The paper also describes the absolute measurement of the unit of resistance and the work for deriving absolute henry. The whole set of the measuring...

This paper describes the construction and the feature of the calculable cross capa-citor established at the National Institute of Metrology. Some formulae for calculating average capacitance error due to the departure of geometric dimesion of the eletrode system from the ideal conditions have been presented and the total uncertainty of the capacitor are also given. The paper also describes the absolute measurement of the unit of resistance and the work for deriving absolute henry. The whole set of the measuring system and standards made for these purposes are briefly introduced as well.

本文叙述中国计量科学研究院研制的计算电容的结构特征,给出了由于电极系统几何形状偏离理想状态所引起的平均电容量误差计算公式,并给出了计算电容的综合误差。文中还介绍了基于计算电容所进行的电阻单位的绝对测量以及复现绝对亨利的工作,并对为此目的而研制的整套测量装置和标准作了简要介绍。

 
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